CVE-2017-9956
An authentication bypass vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the system contains a hard-coded valid session.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An authentication bypass vulnerability exists in Schneider Electric's U.motion Builder software versions 1.2.1 and prior in which the system contains a hard-coded valid session. An attacker can use that session ID as part of the HTTP cookie of a web request, resulting in authentication bypass
- CVSS 3.0
- 7.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 1.08% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- schneider-electric/u.motion builder
- Source
- cybersecurity@se.com
EPSS 1.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.schneider-electric.com/en/download/document/SEVD-2017-178-01/Vendor Advisory
- http://www.securityfocus.com/bid/99344Third Party Advisory, VDB Entry
- http://www.schneider-electric.com/en/download/document/SEVD-2017-178-01/Vendor Advisory
- http://www.securityfocus.com/bid/99344Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.